"My Father is an Undercover Agent" is an anti-Japanese spy war drama jointly produced by Shanghai New Culture Media Group Co., Ltd. and Shanghai Blue Star Advertising and Communication Co., Ltd., directed by Zhao Lijun and starring Sun Song, Yan Xuejing, etc. . This play takes the father going deep into the enemy lines to find his lost child as the main line. It tells the story of Shi Daliao who shattered the Japanese army's R plan during the Anti-Japanese War.

Shi Daliu: He was originally a cook in the Eighth Route Army. In order to find a son, he pretended to be a chef of Anhui cuisine and spied on the Japanese barracks. Loyal, with the deep sincerity of father's love, shining with the brilliance of humanity and fatherhood.

Li Erqin: She used to be Shi DaLiao's first girlfriend, but now she is the captain of the basic militia. Using her status as a "delivery widow" as a protection, she became Shi DaLiao's contact and reform teammate. The emotions were reestablished in the process of fighting side by side with Shi DaLiao.

Qiu Shanjing: Hard-hearted, cunning and suspicious. With the purpose of testing historical materials, while accepting him as the Japanese army chef, he tested him many times, and the conclusion was cleverly avoided by him. In an attempt to use Plan R to plunder my country's titanium mines, they eventually brought it upon themselves and headed towards the end of the country.

Old Mrs. Zhang: Zhang’s taciturn grandmother. She despises her child for being a traitor, and hopes that her grandson, Zhang Ziyu, will not follow in his child's footsteps. He secretly came into contact with the Eighth Route Army. In order to avoid being hijacked by the Japanese, Zhang Ziyu was implicated in his silence. In the end, he chose to sacrifice himself and committed suicide. At the same time, he also left clues to the titanium ore case.